Cigarette filter



FIG. 1 is a top right perspective view of a cigarette filter;

FIG. 2 is a top left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front elevational view thereof, showing the plane upon which a cross-sectional view is taken and shown in FIG. 10;

FIG. 10 is a front cross-sectional view thereof, taken along line A-A of FIG. 9;

FIG. 11 is a front elevational view thereof, showing the plane upon which a cross-sectional view is taken and shown in FIG. 12;

FIG. 12 is a front cross-sectional view thereof, taken along line B-B of FIG. 11;

FIG. 13 is a left side elevational view thereof, showing the plane upon which a cross-sectional view is taken and shown in FIG. 14;

FIG. 14 is a left side cross-sectional view thereof, taken along line C-C of FIG. 13;

FIG. 15 is a left side elevational view thereof, showing the plane upon which a cross-sectional view is taken and shown in FIG. 16;

FIG. 16 is a left side cross-sectional view thereof, taken along line D-D of FIG. 15; and,

FIG. 17 is a perspective view thereof, showing a glass spiral of the cigarette filter being removed from a main body of the cigarette filter. 

CLAIM The ornamental design for a cigarette filter, as shown and described. 